Home / 19,331.23-26,678.97-10,834.79

Finding the Fourth Proportional to 19,331.23, 26,678.97 and 10,834.79

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Solution

The fourth proportional to 19,331.23, 26,678.97 and 10,834.79 is: 14,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.23 : 26,678.97 = 10,834.79 : x
  2. Step 2: Convert to fraction form
    19,331.23/26,678.97 = 10,834.79/x
  3. Step 3: Cross multiply
    19,331.23x = 26,678.97 × 10,834.79
  4. Step 4: Simplify right side
    19,331.23x = 289,061,037.37
  5. Step 5: Solve for x
    x = 289,061,037.37/19,331.23
  6. Step 6: Final answer
    x = 14,953.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.